Products > Test Equipment
RIGOL DP711 and DP712 new 1ch PSU
borisbees:
--- Quote from: ElectronMan on November 12, 2018, 04:45:04 am ---You should read back through this thread. I figured it out and the details are there.
--- End quote ---
Yes, the work you've done with the i2c FRAM is great, but:
--- Quote from: ElectronMan on March 15, 2017, 03:35:44 am ---This is not an ideal solution as it requires opening it up and leeching onto the FRAM chip with a device that talks i2c, but it works :)
--- End quote ---
I'm looking for a way to generate a valid licence key from software without opening the PSU, along the lines of http://www.gotroot.ca/rigol/riglol/. I'm well aware I can activate all the features with your FRAM changes, but that only unlocks it for me - generating serials solves it for everyone.
tv84:
The DP700 keygen is identical to the DL3000 keygen (with a different char_map). See here.
They don't use ECC as riglol/rigup. It's a cascade of CRC16 calculations giving a 28-char license.
The only parameter that is needed for the calculations is the S/N.
I've successfully licensed a DP711 (attached).
Example of licenses for someone curious:
Rigol DP700 S/N: DP7A123456789
Official License
DP7-TRIGER 22W5NBYPM6GUP27A68RY4VWQWH5L
DP7-TIMER T9ZKK8GPH7GUTA2BUDDYWJX8PKJ5
DP7-HIRES AES6FY3KV6GUV4ENR6QCBK8HH2CK
VMZ:
Good afternoon!
Tell me, how exactly did you generate the keys for dp700? Did you do it with riglol? What keys should I use?
tommot:
Hi, I would also be interested to know and understand how the calculation using this cascaded CRC-16s works.
If I understand this procedure correctly, a CRC-16 is applied to each character of the S/N and converted back to characters via a mapping table?
tv84:
I will not make the method public. But it's easily visible in the DL3000 FW for those who know how to see.
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